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To solve the velocity-measurement difficult problem of linear motor in high speed and high acceleration occasions, a velocity-measurement method based on teeth-slots signals detection is proposed in this paper. In this method, the speed signal is obtained from the inductance periodic variation of probe coil, and the "teeth-slots" bar consisting of conductor and ferromagnetic materials alternating...
This paper compares the performances of Voltage Oriented Control (VOC) and Direct Power Control (DPC) with hysteresis loop in three-phase voltage source rectifier (VSR), which can be applied to the front-end rectifier in state of art 380V DC distribution system for green data center. Both systems achieve high power factor, low input current distortion and high efficiency. And the simulation results...
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